1 files changed, 44 insertions, 0 deletions
diff --git a/src/keymap/KeySeqParser.hpp b/src/keymap/KeySeqParser.hpp
new file mode 100644
index 0000000..fac2546
--- /dev/null
+++ b/src/keymap/KeySeqParser.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <QtCore/qnamespace.h>
+#include <QtCore>
+#include <cmath>
+
+struct KeyChord {
+  Qt::KeyboardModifiers mod;
+  Qt::Key key;
+};
+bool operator==(const KeyChord a, const KeyChord b);
+
+typedef QList<KeyChord> KeySequence;
+
+enum KeyMatchType {
+  NoMatch,
+  Match,
+  Pending,
+};
+
+class KeySeqParser {
+public:
+  static const KeyMatchType keySequenceMatch(const KeySequence target,
+                                             const KeySequence current) {
+    for (int i = 0; i < target.length(); i++) {
+      if (current.length() <= i)
+        return KeyMatchType::Pending;
+
+      if (target[i].key != current[i].key ||
+          !target[i].mod.testFlags(current[i].mod))
+        return KeyMatchType::NoMatch;
+    }
+
+    return KeyMatchType::Match;
+  }
+
+public:
+  KeySeqParser();
+
+  KeySequence parse(QString keySequence);
+
+private:
+  Qt::Key parseKey(QString keyName);
+};